View Compilation Error

0_0_2886152_24774.c:1:20: iostream: No such file or directory
0_0_2886152_24774.c:2:17: queue: No such file or directory
0_0_2886152_24774.c:3: error: syntax error before "namespace"
0_0_2886152_24774.c: In function `BFS':
0_0_2886152_24774.c:14: error: `Node' undeclared (first use in this function)
0_0_2886152_24774.c:14: error: (Each undeclared identifier is reported only once
0_0_2886152_24774.c:14: error: for each function it appears in.)
0_0_2886152_24774.c:14: error: syntax error before "P"
0_0_2886152_24774.c:16: error: `N' undeclared (first use in this function)
0_0_2886152_24774.c:19: error: `queue' undeclared (first use in this function)
0_0_2886152_24774.c:19: error: `q' undeclared (first use in this function)
0_0_2886152_24774.c:36: error: `P' undeclared (first use in this function)
0_0_2886152_24774.c: In function `main':
0_0_2886152_24774.c:48: error: `EOF' undeclared (first use in this function)